.mask {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10000;
    background-color: rgba(0,0,0,.5);
}
.mask .content {
    width: 260px;
    height: 130px;
    background-color: #fff;
    position: absolute;
    left: 50%;
    margin-left: -130px;
    top: 50%;
    margin-top: -65px;
    border: 1px solid #ccc;
    border-radius: 10px;
    box-sizing: border-box;
}
.mask .content p {
    font-size: 22px;
    text-align: center;
    height: 30px;
    line-height: 30px;
    margin-top: 20px;
}
.mask .content div {
    text-align: center;
    height: 80px;
    line-height: 80px;
}
.mask .content div button {
    vertical-align: middle;
    height: 36px;
    /* width: 80px; */
    padding: 0 20px;
    border-radius: 5px;
    cursor: pointer;
    background-color: deepskyblue;
    color: #fff;
}